Evolution of modes in a metal-coated nano-fiber

Junfeng Song*, Remo Proietti Zaccaria, Guancai Dong, Enzo Di Fabrizio, M. B. Yu, G. Q. Lo

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

We report on the evolution of modes in cylindrical metal/dielectric systems. The transition between surface plasmon polaritons and localized modes is documented in terms of the real and imaginary parts of the effective refractive index as a function of geometric and optical parameters. We show the evolution process of SPP and localized modes. New phenomena of coupling between SPP and core-like modes, and of mode gap and super-long surface plasmon polaritons are found and discussed. We conclude that both superluminal light and slow light can be solutions of metallically coated dielectric fibers.

Original languageEnglish (US)
Pages (from-to)25206-25221
Number of pages16
JournalOptics Express
Volume19
Issue number25
StatePublished - Dec 5 2011
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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